A refrigerator has an interior volume of 0.500 m3. The temperature inside the refrigerator in 282 K, and the pressure is 101 kPa. If the molecular weight of air is 29 g/mol, what is the mass of air inside the refrigerator? (R = 8.31 J/mol × K)
A) 625 g
B) 513 g
C) 447 g
D) 329 g
E) 243 g
A
You might also like to view...
Which of the following critical features of the heliocentric model leads to Venus exhibiting a full range of phases?
A) When Venus is closer to the Sun, it moves faster. B) Venus passes on the far-side of the sun from the Earth's perspective. C) Venus physically distorts from a sphere as it orbits the sun.
How does the resistance of a thick piece of copper wire compare to the resistance of a thin piece of copper wire?
A. The resistance of the thin piece is greater than that of the thick piece. B. The resistance of the thick piece is greater than that of the thin piece. C. Both the wire and narrow piece of copper provide the same resistance.
Which of the following statements about the celestial equator is true at all latitudes?
A) It lies along the band of light we call the Milky Way. B) It represents an extension of Earth's equator onto the celestial sphere. C) It cuts the dome of your sky exactly in half. D) It extends from your horizon due east, through your zenith, to your horizon due west. E) It extends from your horizon due north, through your zenith, to your horizon due south.
Energy and Mass: Consider a student whose mass is 70 kg. If all his mass were converted to electrical energy, for how many years could he keep a 100-W light bulb burning? (c = 3.0 × 108 m/s)
What will be an ideal response?